Underlines all occurances of the word under the cursor and additionally displays the color under the cursor if it is written as a hex value. The alpha-channel (#rgba colors) is also supported and changes the brightness of colors.
This should be sufficient:
git clone https://git.entwicklerseite.de/vim-under-the-cursor \
~/.vim/pack/coderonline/start/vim-under-the-cursor
Or as submodule:
git submodule add https://git.entwicklerseite.de/vim-under-the-cursor \
~/.vim/pack/coderonline/start/vim-under-the-cursor
Or download the zip file and extract it under ~/.vim/pack/coderonline/start/
.
Plug 'coderonline/vim-under-the-cursor'
call dein#add('coderonline/vim-under-the-cursor')